Athabascaite

athabascaite

tyrellite

klockmannite

eskebornite

Images

Formula: Cu5Se4
Selenide
Specific gravity: 6.59 calculated
Hardness: 2½
Colour: Light grey, bluish grey to white
Common impurities: S
Environments

Volcanic igneous environments

Localities

At Sierra de Umango, Villa Castelli, General Lamadrid department, La Rioja Province, Argentina, athabascaite is associated with umangite and berzelianite (HOM).

At the type locality, the Martin Lake mine, Beaverlodge Lake area, Saskatchewan, Canada, athabascaite occurs as lath-shaped inclusions in umangite and as stringers and veinlets in hematite-stained carbonate vein material in basalt (CM 10.207-215). Associated minerals include uraninite, umangite, tyrrellite, silver, quartz, pyrite, klockmannite, hematite, feldspars, eucairite, eskebornite, copper, clausthalite, calcite, berzelianite and baryte (HOM).

At Petrovice, Nové Město na Moravě, Žďár nad Sázavou District, Vysočina Region, Czech Republic, athabascaite is associated with berzelianite, eucairite, crookesite, tyrrellite, ferroselite, bukovite, krut'aite, calcite and dolomite (HOM).

Back to Minerals